bio cross word

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Across
  1. 3. third buyer
  2. 4. eats everything
  3. 7. second buyer
  4. 8. degrader
  5. 9. plant eater
  6. 10. meat eater
  7. 12. signature
Down
  1. 1. once living
  2. 2. first buyer
  3. 5. seller
  4. 6. consume other
  5. 11. non living